What is the meaning of radioactivity?

noun

  • The spontaneous emission of a stream of particles or electromagnetic rays in nuclear decay.
WordNet 3.0 © 2006 by Princeton University
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APAWordNet. (2010). radioactivity. Retrieved September 22, 2026, from http://smartdefine.org/radioactivity/definitions/1305247
ChicagoWordNet. 2010. "radioactivity" http://smartdefine.org/radioactivity/definitions/1305247 (accessed September 22, 2026).
HarvardWordNet 2010, radioactivity, Smart Define, viewed 22 September, 2026, <http://smartdefine.org/radioactivity/definitions/1305247>.
MLAWordNet. "radioactivity" 23 October 2010. Web. 22 September 2026. <http://smartdefine.org/radioactivity/definitions/1305247>